condition mean min max 4 h after light 0.0 0.0 0.0 8 h after light 0.021368799999999997 0.0 0.0641064 12 h after light 0.0504455 0.0 0.106539 4 h after dark 0.0 0.0 0.0 8 h after dark 0.0 0.0 0.0 12 h after dark 0.06804676666666666 0.0 0.138095